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Finding the Fourth Proportional to 184,480.80, 276,721.20 and 66,164.10

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Solution

The fourth proportional to 184,480.80, 276,721.20 and 66,164.10 is: 99,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,480.80 : 276,721.20 = 66,164.10 : x
  2. Step 2: Convert to fraction form
    184,480.80/276,721.20 = 66,164.10/x
  3. Step 3: Cross multiply
    184,480.80x = 276,721.20 × 66,164.10
  4. Step 4: Simplify right side
    184,480.80x = 18,309,009,148.92
  5. Step 5: Solve for x
    x = 18,309,009,148.92/184,480.80
  6. Step 6: Final answer
    x = 99,246.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.